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<a href="MidiFileParser_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160; </div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="preprocessor">#pragma once</span></div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160; </div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="preprocessor">#include &quot;MidiFileParserState.h&quot;</span></div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="preprocessor">#include &lt;math.h&gt;</span></div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="preprocessor">#include &lt;stdio.h&gt;</span></div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="preprocessor">#include &lt;string.h&gt;</span></div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160; </div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;<span class="comment">// Compiling outside of Arduino requires the millis() function.</span></div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;<span class="preprocessor">#ifndef ARDUINO</span></div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;<span class="preprocessor">#include &lt;chrono&gt;</span></div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;<span class="preprocessor">#include &lt;cstdint&gt;</span></div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;<span class="preprocessor">#include &lt;iostream&gt;</span></div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160; </div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;<span class="keyword">inline</span> uint64_t millis() {</div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;  <span class="keyword">using namespace </span>std::chrono;</div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;  <span class="keywordflow">return</span> duration_cast&lt;milliseconds&gt;(system_clock::now().time_since_epoch())</div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;      .count();</div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;}</div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160; </div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;<span class="preprocessor">#define MIDI_BUFFER_SIZE 1024 * 2</span></div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;<span class="preprocessor">#define MIDI_MIN_REFILL_SIZE 512</span></div>
<div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160; </div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;<span class="keyword">namespace </span>midi {</div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160; </div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;<span class="preprocessor">#ifndef ARDUINO</span></div>
<div class="line"><a name="l00046"></a><span class="lineno"><a class="line" href="classmidi_1_1Print.html">   46</a></span>&#160;<span class="keyword">class </span><a class="code" href="classmidi_1_1Print.html">Print</a> {</div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;  <span class="keyword">virtual</span> <span class="keywordtype">size_t</span> write(uint8_t) = 0;</div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;};</div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160; </div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;<span class="keyword">class </span><a class="code" href="classmidi_1_1MidiFileParserMultiTrack.html">MidiFileParserMultiTrack</a>;</div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160; </div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160; </div>
<div class="line"><a name="l00061"></a><span class="lineno"><a class="line" href="classmidi_1_1MidiFileParser.html">   61</a></span>&#160;<span class="keyword">class </span><a class="code" href="classmidi_1_1MidiFileParser.html">MidiFileParser</a> : <span class="keyword">public</span> <a class="code" href="classmidi_1_1Print.html">Print</a> {</div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;<span class="keyword">public</span>:</div>
<div class="line"><a name="l00064"></a><span class="lineno"><a class="line" href="classmidi_1_1MidiFileParser.html#aabf9f00c6bb20006a33690ce1ae27dd6">   64</a></span>&#160;  <span class="keywordtype">bool</span> <a class="code" href="classmidi_1_1MidiFileParser.html#aabf9f00c6bb20006a33690ce1ae27dd6">begin</a>(<span class="keywordtype">bool</span> log = <span class="keyword">true</span>, <span class="keywordtype">int</span> bufferSize = MIDI_BUFFER_SIZE) {</div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;    log_active = log;</div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;    track_no = 0;</div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;    parser_state.in.resize(bufferSize);</div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;    is_ok = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;    reset();</div>
<div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;    <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;  }</div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160; </div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;  <span class="keywordtype">size_t</span> write(uint8_t c)<span class="keyword"> override </span>{ <span class="keywordflow">return</span> write(&amp;c, 1); }</div>
<div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160; </div>
<div class="line"><a name="l00076"></a><span class="lineno"><a class="line" href="classmidi_1_1MidiFileParser.html#ab10d13081d391398ec80bf2ad3a2abfe">   76</a></span>&#160;  <span class="keyword">virtual</span> <span class="keywordtype">size_t</span> <a class="code" href="classmidi_1_1MidiFileParser.html#ab10d13081d391398ec80bf2ad3a2abfe">write</a>(<span class="keyword">const</span> uint8_t *data, <span class="keywordtype">size_t</span> len) {</div>
<div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;    <span class="comment">// store actual processing length</span></div>
<div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;    <span class="keywordflow">if</span> (len &gt; 0) {</div>
<div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;      write_len = len;</div>
<div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;    }</div>
<div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;    <span class="comment">// write only if data is available</span></div>
<div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;    <span class="keywordflow">if</span> (len &lt;= parser_state.in.availableForWrite()) {</div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;      <span class="keywordflow">return</span> parser_state.in.write(data, len);</div>
<div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;    }</div>
<div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;    <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;  }</div>
<div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160; </div>
<div class="line"><a name="l00089"></a><span class="lineno"><a class="line" href="classmidi_1_1MidiFileParser.html#a1046f0985de526640c1ddaaebfcff943">   89</a></span>&#160;  <span class="keywordtype">int</span> <a class="code" href="classmidi_1_1MidiFileParser.html#a1046f0985de526640c1ddaaebfcff943">availableForWrite</a>() { <span class="keywordflow">return</span> parser_state.in.availableForWrite(); }</div>
<div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160; </div>
<div class="line"><a name="l00092"></a><span class="lineno"><a class="line" href="classmidi_1_1MidiFileParser.html#a0c4097975bcf7c4a1d19c377943bf227">   92</a></span>&#160;  <a class="code" href="structmidi_1_1midi__parser__state.html">midi_parser_state</a> &amp;<a class="code" href="classmidi_1_1MidiFileParser.html#a0c4097975bcf7c4a1d19c377943bf227">parse</a>() {</div>
<div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;    <span class="comment">// parse next element</span></div>
<div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;    parser_state.status = MIDI_PARSER_EOB;</div>
<div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;    <span class="keywordflow">if</span> (!parser_state.in.isEmpty()) {</div>
<div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;      midi_parser_status status = midi_parse();</div>
<div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;      parser_state.status = status;</div>
<div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;      <span class="keywordflow">if</span> (log_active) {</div>
<div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;        logStatus(status);</div>
<div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;      }</div>
<div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;    }</div>
<div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;    <span class="comment">// update is_ok</span></div>
<div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;    <span class="keywordflow">if</span> (parser_state.status == MIDI_PARSER_EOB ||</div>
<div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;        parser_state.status == MIDI_PARSER_ERROR) {</div>
<div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;      is_ok = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;    }</div>
<div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;    <span class="keywordflow">return</span> parser_state;</div>
<div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;  }</div>
<div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160; </div>
<div class="line"><a name="l00112"></a><span class="lineno"><a class="line" href="classmidi_1_1MidiFileParser.html#abda7a373f6add06597bd3d2b045100d1">  112</a></span>&#160;  <a class="code" href="structmidi_1_1midi__parser__state.html">midi_parser_state</a> &amp;<a class="code" href="classmidi_1_1MidiFileParser.html#abda7a373f6add06597bd3d2b045100d1">parseTimed</a>() {</div>
<div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;    <span class="keyword">static</span> uint64_t timeout = 0l;</div>
<div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160; </div>
<div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;    <span class="comment">// Wait for event to become relevant</span></div>
<div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;    <span class="keywordflow">if</span> (timeout != 0l) {</div>
<div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;      <span class="keywordflow">if</span> (millis() &lt; timeout) {</div>
<div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;        <span class="keywordflow">return</span> not_ready;</div>
<div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;      }</div>
<div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160; </div>
<div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;      timeout = 0;</div>
<div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;      <span class="keywordflow">return</span> parser_state;</div>
<div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;    }</div>
<div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160; </div>
<div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;    <span class="comment">// Parse next element</span></div>
<div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;    <span class="keywordflow">if</span> (!parser_state.in.isEmpty()) {</div>
<div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;      midi_parser_status status = midi_parse();</div>
<div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;      <span class="comment">// delay result ?</span></div>
<div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;      <span class="keywordflow">if</span> (parser_state.timeInMs() &gt; 0) {</div>
<div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;        timeout = millis() + parser_state.timeInMs();</div>
<div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;        <span class="keywordflow">return</span> not_ready;</div>
<div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;      } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;        parser_state.status = status;</div>
<div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;      }</div>
<div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;    }</div>
<div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160; </div>
<div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;    <span class="comment">// Update is_ok to false when we have an error or we are at the end</span></div>
<div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;    <span class="keywordflow">if</span> (parser_state.status == MIDI_PARSER_EOB ||</div>
<div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;        parser_state.status == MIDI_PARSER_ERROR) {</div>
<div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;      is_ok = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;      <span class="keywordflow">return</span> eob;</div>
<div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;    }</div>
<div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;    <span class="keywordflow">return</span> parser_state;</div>
<div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;  }</div>
<div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160; </div>
<div class="line"><a name="l00147"></a><span class="lineno"><a class="line" href="classmidi_1_1MidiFileParser.html#a2a6b1adb28b63f814a8f6da60da8cc51">  147</a></span>&#160;  <span class="keyword">operator</span> bool() { <span class="keywordflow">return</span> is_ok; }</div>
<div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160; </div>
<div class="line"><a name="l00150"></a><span class="lineno"><a class="line" href="classmidi_1_1MidiFileParser.html#ae07e5e7161eb4931f09413165f8b70ef">  150</a></span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classmidi_1_1MidiFileParser.html#ae07e5e7161eb4931f09413165f8b70ef">end</a>() {}</div>
<div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160; </div>
<div class="line"><a name="l00153"></a><span class="lineno"><a class="line" href="classmidi_1_1MidiFileParser.html#a6a310bc896190fd0166e06e08eea6dd5">  153</a></span>&#160;  <span class="keyword">const</span> <span class="keywordtype">char</span> *<a class="code" href="classmidi_1_1MidiFileParser.html#a6a310bc896190fd0166e06e08eea6dd5">midi_status_name</a>(<span class="keywordtype">int</span> status) {</div>
<div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;    <span class="keywordflow">switch</span> (status) {</div>
<div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;    <span class="keywordflow">case</span> MIDI_STATUS_NOTE_OFF:</div>
<div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;      <span class="keywordflow">return</span> <span class="stringliteral">&quot;Note Off&quot;</span>;</div>
<div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;    <span class="keywordflow">case</span> MIDI_STATUS_NOTE_ON:</div>
<div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;      <span class="keywordflow">return</span> <span class="stringliteral">&quot;Note On&quot;</span>;</div>
<div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;    <span class="keywordflow">case</span> MIDI_STATUS_NOTE_AT:</div>
<div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;      <span class="keywordflow">return</span> <span class="stringliteral">&quot;Note Aftertouch&quot;</span>;</div>
<div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;    <span class="keywordflow">case</span> MIDI_STATUS_CC:</div>
<div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;      <span class="keywordflow">return</span> <span class="stringliteral">&quot;CC&quot;</span>;</div>
<div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;    <span class="keywordflow">case</span> MIDI_STATUS_PGM_CHANGE:</div>
<div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;      <span class="keywordflow">return</span> <span class="stringliteral">&quot;Program Change&quot;</span>;</div>
<div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;    <span class="keywordflow">case</span> MIDI_STATUS_CHANNEL_AT:</div>
<div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;      <span class="keywordflow">return</span> <span class="stringliteral">&quot;Channel Aftertouch&quot;</span>;</div>
<div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;    <span class="keywordflow">case</span> MIDI_STATUS_PITCH_BEND:</div>
<div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;      <span class="keywordflow">return</span> <span class="stringliteral">&quot;Pitch Bend&quot;</span>;</div>
<div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160; </div>
<div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;    <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;      <span class="keywordflow">return</span> <span class="stringliteral">&quot;(unknown)&quot;</span>;</div>
<div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;    }</div>
<div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;  }</div>
<div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160; </div>
<div class="line"><a name="l00176"></a><span class="lineno"><a class="line" href="classmidi_1_1MidiFileParser.html#a810b3ac596ac34dddc2f63b902e6b3ad">  176</a></span>&#160;  <span class="keyword">const</span> <span class="keywordtype">char</span> *<a class="code" href="classmidi_1_1MidiFileParser.html#a810b3ac596ac34dddc2f63b902e6b3ad">midi_file_format_name</a>(<span class="keywordtype">int</span> fmt) {</div>
<div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160;    <span class="keywordflow">switch</span> (fmt) {</div>
<div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;    <span class="keywordflow">case</span> MIDI_FILE_FORMAT_SINGLE_TRACK:</div>
<div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160;      <span class="keywordflow">return</span> <span class="stringliteral">&quot;single track&quot;</span>;</div>
<div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;    <span class="keywordflow">case</span> MIDI_FILE_FORMAT_MULTIPLE_TRACKS:</div>
<div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160;      <span class="keywordflow">return</span> <span class="stringliteral">&quot;multiple tracks&quot;</span>;</div>
<div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160;    <span class="keywordflow">case</span> MIDI_FILE_FORMAT_MULTIPLE_SONGS:</div>
<div class="line"><a name="l00183"></a><span class="lineno">  183</span>&#160;      <span class="keywordflow">return</span> <span class="stringliteral">&quot;multiple songs&quot;</span>;</div>
<div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160; </div>
<div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;    <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;      <span class="keywordflow">return</span> <span class="stringliteral">&quot;(unknown)&quot;</span>;</div>
<div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160;    }</div>
<div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160;  }</div>
<div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160; </div>
<div class="line"><a name="l00191"></a><span class="lineno"><a class="line" href="classmidi_1_1MidiFileParser.html#a2889997844f7c448badf62c33bc5d17e">  191</a></span>&#160;  <span class="keyword">const</span> <span class="keywordtype">char</span> *<a class="code" href="classmidi_1_1MidiFileParser.html#a2889997844f7c448badf62c33bc5d17e">midi_meta_name</a>(<span class="keywordtype">int</span> type) {</div>
<div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;    <span class="keywordflow">switch</span> (type) {</div>
<div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160;    <span class="keywordflow">case</span> MIDI_META_SEQ_NUM:</div>
<div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;      <span class="keywordflow">return</span> <span class="stringliteral">&quot;Sequence Number&quot;</span>;</div>
<div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160;    <span class="keywordflow">case</span> MIDI_META_TEXT:</div>
<div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;      <span class="keywordflow">return</span> <span class="stringliteral">&quot;Text&quot;</span>;</div>
<div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160;    <span class="keywordflow">case</span> MIDI_META_COPYRIGHT:</div>
<div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160;      <span class="keywordflow">return</span> <span class="stringliteral">&quot;Copyright&quot;</span>;</div>
<div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;    <span class="keywordflow">case</span> MIDI_META_TRACK_NAME:</div>
<div class="line"><a name="l00200"></a><span class="lineno">  200</span>&#160;      <span class="keywordflow">return</span> <span class="stringliteral">&quot;Track Name&quot;</span>;</div>
<div class="line"><a name="l00201"></a><span class="lineno">  201</span>&#160;    <span class="keywordflow">case</span> MIDI_META_INSTRUMENT_NAME:</div>
<div class="line"><a name="l00202"></a><span class="lineno">  202</span>&#160;      <span class="keywordflow">return</span> <span class="stringliteral">&quot;Instrument Name&quot;</span>;</div>
<div class="line"><a name="l00203"></a><span class="lineno">  203</span>&#160;    <span class="keywordflow">case</span> MIDI_META_LYRICS:</div>
<div class="line"><a name="l00204"></a><span class="lineno">  204</span>&#160;      <span class="keywordflow">return</span> <span class="stringliteral">&quot;Lyrics&quot;</span>;</div>
<div class="line"><a name="l00205"></a><span class="lineno">  205</span>&#160;    <span class="keywordflow">case</span> MIDI_META_MAKER:</div>
<div class="line"><a name="l00206"></a><span class="lineno">  206</span>&#160;      <span class="keywordflow">return</span> <span class="stringliteral">&quot;Maker&quot;</span>;</div>
<div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160;    <span class="keywordflow">case</span> MIDI_META_CUE_POINT:</div>
<div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160;      <span class="keywordflow">return</span> <span class="stringliteral">&quot;Cue Point&quot;</span>;</div>
<div class="line"><a name="l00209"></a><span class="lineno">  209</span>&#160;    <span class="keywordflow">case</span> MIDI_META_CHANNEL_PREFIX:</div>
<div class="line"><a name="l00210"></a><span class="lineno">  210</span>&#160;      <span class="keywordflow">return</span> <span class="stringliteral">&quot;Channel Prefix&quot;</span>;</div>
<div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160;    <span class="keywordflow">case</span> MIDI_META_END_OF_TRACK:</div>
<div class="line"><a name="l00212"></a><span class="lineno">  212</span>&#160;      <span class="keywordflow">return</span> <span class="stringliteral">&quot;End of Track&quot;</span>;</div>
<div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160;    <span class="keywordflow">case</span> MIDI_META_SET_TEMPO:</div>
<div class="line"><a name="l00214"></a><span class="lineno">  214</span>&#160;      <span class="keywordflow">return</span> <span class="stringliteral">&quot;Set Tempo&quot;</span>;</div>
<div class="line"><a name="l00215"></a><span class="lineno">  215</span>&#160;    <span class="keywordflow">case</span> MIDI_META_SMPTE_OFFSET:</div>
<div class="line"><a name="l00216"></a><span class="lineno">  216</span>&#160;      <span class="keywordflow">return</span> <span class="stringliteral">&quot;SMPTE Offset&quot;</span>;</div>
<div class="line"><a name="l00217"></a><span class="lineno">  217</span>&#160;    <span class="keywordflow">case</span> MIDI_META_TIME_SIGNATURE:</div>
<div class="line"><a name="l00218"></a><span class="lineno">  218</span>&#160;      <span class="keywordflow">return</span> <span class="stringliteral">&quot;Time Signature&quot;</span>;</div>
<div class="line"><a name="l00219"></a><span class="lineno">  219</span>&#160;    <span class="keywordflow">case</span> MIDI_META_KEY_SIGNATURE:</div>
<div class="line"><a name="l00220"></a><span class="lineno">  220</span>&#160;      <span class="keywordflow">return</span> <span class="stringliteral">&quot;Key Signature&quot;</span>;</div>
<div class="line"><a name="l00221"></a><span class="lineno">  221</span>&#160;    <span class="keywordflow">case</span> MIDI_META_SEQ_SPECIFIC:</div>
<div class="line"><a name="l00222"></a><span class="lineno">  222</span>&#160;      <span class="keywordflow">return</span> <span class="stringliteral">&quot;Sequencer Specific&quot;</span>;</div>
<div class="line"><a name="l00223"></a><span class="lineno">  223</span>&#160; </div>
<div class="line"><a name="l00224"></a><span class="lineno">  224</span>&#160;    <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l00225"></a><span class="lineno">  225</span>&#160;      <span class="keywordflow">return</span> <span class="stringliteral">&quot;(unknown)&quot;</span>;</div>
<div class="line"><a name="l00226"></a><span class="lineno">  226</span>&#160;    }</div>
<div class="line"><a name="l00227"></a><span class="lineno">  227</span>&#160;  }</div>
<div class="line"><a name="l00228"></a><span class="lineno">  228</span>&#160; </div>
<div class="line"><a name="l00229"></a><span class="lineno">  229</span>&#160; </div>
<div class="line"><a name="l00230"></a><span class="lineno">  230</span>&#160;<span class="keyword">protected</span>:</div>
<div class="line"><a name="l00231"></a><span class="lineno">  231</span>&#160;  <span class="keyword">friend</span> <a class="code" href="classmidi_1_1MidiFileParserMultiTrack.html">MidiFileParserMultiTrack</a>;</div>
<div class="line"><a name="l00232"></a><span class="lineno">  232</span>&#160;  <span class="keywordtype">bool</span> log_active = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00233"></a><span class="lineno">  233</span>&#160;  <span class="keywordtype">int</span> write_len = 256;</div>
<div class="line"><a name="l00234"></a><span class="lineno">  234</span>&#160;  <a class="code" href="structmidi_1_1midi__parser__state.html">midi_parser_state</a> parser_state;</div>
<div class="line"><a name="l00235"></a><span class="lineno">  235</span>&#160;  <span class="keywordtype">bool</span> is_ok = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00236"></a><span class="lineno">  236</span>&#160;  <span class="keywordtype">int</span> track_no = 0;</div>
<div class="line"><a name="l00237"></a><span class="lineno">  237</span>&#160;  <a class="code" href="structmidi_1_1midi__parser__state.html">midi_parser_state</a> not_ready{MIDI_PARSER_DELAY};</div>
<div class="line"><a name="l00238"></a><span class="lineno">  238</span>&#160;  midi_parser_state eob{MIDI_PARSER_EOB};</div>
<div class="line"><a name="l00239"></a><span class="lineno">  239</span>&#160; </div>
<div class="line"><a name="l00240"></a><span class="lineno">  240</span>&#160;  <span class="keywordtype">void</span> setState(midi_parser_status state){</div>
<div class="line"><a name="l00241"></a><span class="lineno">  241</span>&#160;    parser_state.status = state;</div>
<div class="line"><a name="l00242"></a><span class="lineno">  242</span>&#160;    <span class="keywordflow">if</span> (parser_state.status == MIDI_PARSER_EOB ||</div>
<div class="line"><a name="l00243"></a><span class="lineno">  243</span>&#160;        parser_state.status == MIDI_PARSER_ERROR) {</div>
<div class="line"><a name="l00244"></a><span class="lineno">  244</span>&#160;      is_ok = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00245"></a><span class="lineno">  245</span>&#160;    }</div>
<div class="line"><a name="l00246"></a><span class="lineno">  246</span>&#160;  }</div>
<div class="line"><a name="l00247"></a><span class="lineno">  247</span>&#160; </div>
<div class="line"><a name="l00248"></a><span class="lineno">  248</span>&#160;  <span class="keywordtype">void</span> logStatus(midi_parser_status status) {</div>
<div class="line"><a name="l00249"></a><span class="lineno">  249</span>&#160;    <span class="keywordflow">switch</span> (status) {</div>
<div class="line"><a name="l00250"></a><span class="lineno">  250</span>&#160;    <span class="keywordflow">case</span> MIDI_PARSER_EOB:</div>
<div class="line"><a name="l00251"></a><span class="lineno">  251</span>&#160;      printf(<span class="stringliteral">&quot;MIDI_PARSER_EOB\n&quot;</span>);</div>
<div class="line"><a name="l00252"></a><span class="lineno">  252</span>&#160;      <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00253"></a><span class="lineno">  253</span>&#160; </div>
<div class="line"><a name="l00254"></a><span class="lineno">  254</span>&#160;    <span class="keywordflow">case</span> MIDI_PARSER_ERROR:</div>
<div class="line"><a name="l00255"></a><span class="lineno">  255</span>&#160;      printf(<span class="stringliteral">&quot;MIDI_PARSER_ERROR\n&quot;</span>);</div>
<div class="line"><a name="l00256"></a><span class="lineno">  256</span>&#160;      <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00257"></a><span class="lineno">  257</span>&#160; </div>
<div class="line"><a name="l00258"></a><span class="lineno">  258</span>&#160;    <span class="keywordflow">case</span> MIDI_PARSER_INIT:</div>
<div class="line"><a name="l00259"></a><span class="lineno">  259</span>&#160;      printf(<span class="stringliteral">&quot;MIDI_PARSER_INIT\n&quot;</span>);</div>
<div class="line"><a name="l00260"></a><span class="lineno">  260</span>&#160;      <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00261"></a><span class="lineno">  261</span>&#160; </div>
<div class="line"><a name="l00262"></a><span class="lineno">  262</span>&#160;    <span class="keywordflow">case</span> MIDI_PARSER_HEADER:</div>
<div class="line"><a name="l00263"></a><span class="lineno">  263</span>&#160;      printf(<span class="stringliteral">&quot;\nheader\n&quot;</span>);</div>
<div class="line"><a name="l00264"></a><span class="lineno">  264</span>&#160;      printf(<span class="stringliteral">&quot;  size: %d\n&quot;</span>, parser_state.header.size);</div>
<div class="line"><a name="l00265"></a><span class="lineno">  265</span>&#160;      printf(<span class="stringliteral">&quot;  format: %d [%s]\n&quot;</span>, parser_state.header.format,</div>
<div class="line"><a name="l00266"></a><span class="lineno">  266</span>&#160;             <a class="code" href="classmidi_1_1MidiFileParser.html#a810b3ac596ac34dddc2f63b902e6b3ad">midi_file_format_name</a>(parser_state.header.format));</div>
<div class="line"><a name="l00267"></a><span class="lineno">  267</span>&#160;      printf(<span class="stringliteral">&quot;  tracks count: %d\n&quot;</span>, parser_state.header.tracks_count);</div>
<div class="line"><a name="l00268"></a><span class="lineno">  268</span>&#160;      printf(<span class="stringliteral">&quot;  time division: %d\n&quot;</span>, parser_state.header.time_division);</div>
<div class="line"><a name="l00269"></a><span class="lineno">  269</span>&#160;      <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00270"></a><span class="lineno">  270</span>&#160; </div>
<div class="line"><a name="l00271"></a><span class="lineno">  271</span>&#160;    <span class="keywordflow">case</span> MIDI_PARSER_TRACK:</div>
<div class="line"><a name="l00272"></a><span class="lineno">  272</span>&#160;      printf(<span class="stringliteral">&quot;\ntrack\n&quot;</span>);</div>
<div class="line"><a name="l00273"></a><span class="lineno">  273</span>&#160;      printf(<span class="stringliteral">&quot;  length: %d\n&quot;</span>, parser_state.track.size);</div>
<div class="line"><a name="l00274"></a><span class="lineno">  274</span>&#160;      <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00275"></a><span class="lineno">  275</span>&#160; </div>
<div class="line"><a name="l00276"></a><span class="lineno">  276</span>&#160;    <span class="keywordflow">case</span> MIDI_PARSER_TRACK_MIDI:</div>
<div class="line"><a name="l00277"></a><span class="lineno">  277</span>&#160;      printf(<span class="stringliteral">&quot;\ntrack-midi\n&quot;</span>);</div>
<div class="line"><a name="l00278"></a><span class="lineno">  278</span>&#160;      printf(<span class="stringliteral">&quot;  time: %ld\n&quot;</span>, (<span class="keywordtype">long</span>)parser_state.vtime);</div>
<div class="line"><a name="l00279"></a><span class="lineno">  279</span>&#160;      printf(<span class="stringliteral">&quot;  status: %d [%s]\n&quot;</span>, parser_state.midi.status,</div>
<div class="line"><a name="l00280"></a><span class="lineno">  280</span>&#160;             <a class="code" href="classmidi_1_1MidiFileParser.html#a6a310bc896190fd0166e06e08eea6dd5">midi_status_name</a>(parser_state.midi.status));</div>
<div class="line"><a name="l00281"></a><span class="lineno">  281</span>&#160;      printf(<span class="stringliteral">&quot;  channel: %d\n&quot;</span>, parser_state.midi.channel);</div>
<div class="line"><a name="l00282"></a><span class="lineno">  282</span>&#160;      printf(<span class="stringliteral">&quot;  param1: %d\n&quot;</span>, parser_state.midi.param1);</div>
<div class="line"><a name="l00283"></a><span class="lineno">  283</span>&#160;      printf(<span class="stringliteral">&quot;  param2: %d\n&quot;</span>, parser_state.midi.param2);</div>
<div class="line"><a name="l00284"></a><span class="lineno">  284</span>&#160;      <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00285"></a><span class="lineno">  285</span>&#160; </div>
<div class="line"><a name="l00286"></a><span class="lineno">  286</span>&#160;    <span class="keywordflow">case</span> MIDI_PARSER_TRACK_META:</div>
<div class="line"><a name="l00287"></a><span class="lineno">  287</span>&#160;      printf(<span class="stringliteral">&quot;\ntrack-meta\n&quot;</span>);</div>
<div class="line"><a name="l00288"></a><span class="lineno">  288</span>&#160;      printf(<span class="stringliteral">&quot;  time: %ld\n&quot;</span>, (<span class="keywordtype">long</span>)parser_state.vtime);</div>
<div class="line"><a name="l00289"></a><span class="lineno">  289</span>&#160;      printf(<span class="stringliteral">&quot;  type: %d [%s]\n&quot;</span>, parser_state.meta.type,</div>
<div class="line"><a name="l00290"></a><span class="lineno">  290</span>&#160;             <a class="code" href="classmidi_1_1MidiFileParser.html#a2889997844f7c448badf62c33bc5d17e">midi_meta_name</a>(parser_state.meta.type));</div>
<div class="line"><a name="l00291"></a><span class="lineno">  291</span>&#160;      printf(<span class="stringliteral">&quot;  length: %d\n&quot;</span>, parser_state.meta.length);</div>
<div class="line"><a name="l00292"></a><span class="lineno">  292</span>&#160;      <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00293"></a><span class="lineno">  293</span>&#160; </div>
<div class="line"><a name="l00294"></a><span class="lineno">  294</span>&#160;    <span class="keywordflow">case</span> MIDI_PARSER_TRACK_SYSEX:</div>
<div class="line"><a name="l00295"></a><span class="lineno">  295</span>&#160;      printf(<span class="stringliteral">&quot;\ntrack-sysex\n&quot;</span>);</div>
<div class="line"><a name="l00296"></a><span class="lineno">  296</span>&#160;      printf(<span class="stringliteral">&quot;  time: %ld\n&quot;</span>, (<span class="keywordtype">long</span>)parser_state.vtime);</div>
<div class="line"><a name="l00297"></a><span class="lineno">  297</span>&#160;      <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00298"></a><span class="lineno">  298</span>&#160; </div>
<div class="line"><a name="l00299"></a><span class="lineno">  299</span>&#160;    <span class="keywordflow">case</span> MIDI_PARSER_DELAY:</div>
<div class="line"><a name="l00300"></a><span class="lineno">  300</span>&#160;      <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00301"></a><span class="lineno">  301</span>&#160; </div>
<div class="line"><a name="l00302"></a><span class="lineno">  302</span>&#160;    <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l00303"></a><span class="lineno">  303</span>&#160;      printf(<span class="stringliteral">&quot;\nunhandled state: %d\n&quot;</span>, status);</div>
<div class="line"><a name="l00304"></a><span class="lineno">  304</span>&#160;      <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00305"></a><span class="lineno">  305</span>&#160;    }</div>
<div class="line"><a name="l00306"></a><span class="lineno">  306</span>&#160;  }</div>
<div class="line"><a name="l00307"></a><span class="lineno">  307</span>&#160; </div>
<div class="line"><a name="l00308"></a><span class="lineno">  308</span>&#160;  <span class="keywordtype">void</span> reset() {</div>
<div class="line"><a name="l00309"></a><span class="lineno">  309</span>&#160;    parser_state.in.reset();</div>
<div class="line"><a name="l00310"></a><span class="lineno">  310</span>&#160;    parser_state.status = MIDI_PARSER_INIT;</div>
<div class="line"><a name="l00311"></a><span class="lineno">  311</span>&#160;    parser_state.status_internal = MIDI_PARSER_INIT;</div>
<div class="line"><a name="l00312"></a><span class="lineno">  312</span>&#160;  }</div>
<div class="line"><a name="l00313"></a><span class="lineno">  313</span>&#160; </div>
<div class="line"><a name="l00314"></a><span class="lineno">  314</span>&#160;  <span class="keywordtype">int</span> midi_event_datalen(<span class="keywordtype">int</span> status) {</div>
<div class="line"><a name="l00315"></a><span class="lineno">  315</span>&#160;    <span class="keywordflow">switch</span> (status) {</div>
<div class="line"><a name="l00316"></a><span class="lineno">  316</span>&#160;    <span class="keywordflow">case</span> MIDI_STATUS_PGM_CHANGE:</div>
<div class="line"><a name="l00317"></a><span class="lineno">  317</span>&#160;      <span class="keywordflow">return</span> 1;</div>
<div class="line"><a name="l00318"></a><span class="lineno">  318</span>&#160;    <span class="keywordflow">case</span> MIDI_STATUS_CHANNEL_AT:</div>
<div class="line"><a name="l00319"></a><span class="lineno">  319</span>&#160;      <span class="keywordflow">return</span> 1;</div>
<div class="line"><a name="l00320"></a><span class="lineno">  320</span>&#160;    <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l00321"></a><span class="lineno">  321</span>&#160;      <span class="keywordflow">return</span> 2;</div>
<div class="line"><a name="l00322"></a><span class="lineno">  322</span>&#160;    }</div>
<div class="line"><a name="l00323"></a><span class="lineno">  323</span>&#160;  }</div>
<div class="line"><a name="l00324"></a><span class="lineno">  324</span>&#160; </div>
<div class="line"><a name="l00325"></a><span class="lineno">  325</span>&#160;  uint16_t midi_parse_be16(<span class="keyword">const</span> uint8_t *in) {</div>
<div class="line"><a name="l00326"></a><span class="lineno">  326</span>&#160;    <span class="keywordflow">return</span> (<span class="keyword">static_cast&lt;</span>uint16_t<span class="keyword">&gt;</span>(in[0]) &lt;&lt; 8) | in[1];</div>
<div class="line"><a name="l00327"></a><span class="lineno">  327</span>&#160;  }</div>
<div class="line"><a name="l00328"></a><span class="lineno">  328</span>&#160; </div>
<div class="line"><a name="l00329"></a><span class="lineno">  329</span>&#160;  uint32_t midi_parse_be32(<span class="keyword">const</span> uint8_t *in) {</div>
<div class="line"><a name="l00330"></a><span class="lineno">  330</span>&#160;    <span class="keywordflow">return</span> (<span class="keyword">static_cast&lt;</span>uint32_t<span class="keyword">&gt;</span>(in[0]) &lt;&lt; 24) |</div>
<div class="line"><a name="l00331"></a><span class="lineno">  331</span>&#160;           (<span class="keyword">static_cast&lt;</span>uint32_t<span class="keyword">&gt;</span>(in[1]) &lt;&lt; 16) |</div>
<div class="line"><a name="l00332"></a><span class="lineno">  332</span>&#160;           <span class="keyword">static_cast&lt;</span>uint32_t<span class="keyword">&gt;</span>((in[2]) &lt;&lt; 8) | in[3];</div>
<div class="line"><a name="l00333"></a><span class="lineno">  333</span>&#160;  }</div>
<div class="line"><a name="l00334"></a><span class="lineno">  334</span>&#160; </div>
<div class="line"><a name="l00335"></a><span class="lineno">  335</span>&#160;  uint64_t midi_parse_N(<span class="keyword">const</span> uint8_t *from_bytes, <span class="keywordtype">int</span> len) {</div>
<div class="line"><a name="l00336"></a><span class="lineno">  336</span>&#160;    uint64_t tmp = 0;</div>
<div class="line"><a name="l00337"></a><span class="lineno">  337</span>&#160;    <span class="keywordflow">for</span> (<span class="keywordtype">int</span> j = 0; j &lt; len; j++) {</div>
<div class="line"><a name="l00338"></a><span class="lineno">  338</span>&#160;      uint64_t <span class="keywordtype">byte</span> = from_bytes[j];</div>
<div class="line"><a name="l00339"></a><span class="lineno">  339</span>&#160;      <span class="keywordtype">int</span> shift = 8 * (len - j - 1);</div>
<div class="line"><a name="l00340"></a><span class="lineno">  340</span>&#160;      tmp |= <span class="keywordtype">byte</span> &lt;&lt; shift;</div>
<div class="line"><a name="l00341"></a><span class="lineno">  341</span>&#160;    }</div>
<div class="line"><a name="l00342"></a><span class="lineno">  342</span>&#160;    <span class="keywordflow">return</span> tmp;</div>
<div class="line"><a name="l00343"></a><span class="lineno">  343</span>&#160;  }</div>
<div class="line"><a name="l00344"></a><span class="lineno">  344</span>&#160; </div>
<div class="line"><a name="l00345"></a><span class="lineno">  345</span>&#160;  uint64_t midi_parse_variable_length(int32_t *offset) {</div>
<div class="line"><a name="l00346"></a><span class="lineno">  346</span>&#160;    uint64_t value = 0;</div>
<div class="line"><a name="l00347"></a><span class="lineno">  347</span>&#160;    int32_t i = *offset;</div>
<div class="line"><a name="l00348"></a><span class="lineno">  348</span>&#160; </div>
<div class="line"><a name="l00349"></a><span class="lineno">  349</span>&#160;    <span class="keywordflow">for</span> (; i &lt; parser_state.in.available(); ++i) {</div>
<div class="line"><a name="l00350"></a><span class="lineno">  350</span>&#160;      value = (value &lt;&lt; 7) | (parser_state.in[i] &amp; 0x7f);</div>
<div class="line"><a name="l00351"></a><span class="lineno">  351</span>&#160;      <span class="keywordflow">if</span> (!(parser_state.in[i] &amp; 0x80))</div>
<div class="line"><a name="l00352"></a><span class="lineno">  352</span>&#160;        <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00353"></a><span class="lineno">  353</span>&#160;    }</div>
<div class="line"><a name="l00354"></a><span class="lineno">  354</span>&#160;    *offset = i + 1;</div>
<div class="line"><a name="l00355"></a><span class="lineno">  355</span>&#160;    <span class="keywordflow">return</span> value;</div>
<div class="line"><a name="l00356"></a><span class="lineno">  356</span>&#160;  }</div>
<div class="line"><a name="l00357"></a><span class="lineno">  357</span>&#160; </div>
<div class="line"><a name="l00358"></a><span class="lineno">  358</span>&#160;  <span class="keyword">enum</span> midi_parser_status midi_parse_header() {</div>
<div class="line"><a name="l00359"></a><span class="lineno">  359</span>&#160;    <span class="keywordflow">if</span> (parser_state.in.available() &lt; 14)</div>
<div class="line"><a name="l00360"></a><span class="lineno">  360</span>&#160;      <span class="keywordflow">return</span> MIDI_PARSER_EOB;</div>
<div class="line"><a name="l00361"></a><span class="lineno">  361</span>&#160; </div>
<div class="line"><a name="l00362"></a><span class="lineno">  362</span>&#160;    <span class="keywordflow">if</span> (!parser_state.in.<a class="code" href="classmidi_1_1RingBuffer.html#a583861751422aa94cb45626fed086680">equals</a>(<span class="stringliteral">&quot;MThd&quot;</span>))</div>
<div class="line"><a name="l00363"></a><span class="lineno">  363</span>&#160;      <span class="keywordflow">return</span> MIDI_PARSER_ERROR;</div>
<div class="line"><a name="l00364"></a><span class="lineno">  364</span>&#160; </div>
<div class="line"><a name="l00365"></a><span class="lineno">  365</span>&#160;    parser_state.header.size = midi_parse_be32(parser_state.in.<a class="code" href="classmidi_1_1RingBuffer.html#acf30e4b7de8425b0e3243f5220206f04">peekStr</a>(4, 4));</div>
<div class="line"><a name="l00366"></a><span class="lineno">  366</span>&#160;    parser_state.header.format = midi_parse_be16(parser_state.in.<a class="code" href="classmidi_1_1RingBuffer.html#acf30e4b7de8425b0e3243f5220206f04">peekStr</a>(8, 2));</div>
<div class="line"><a name="l00367"></a><span class="lineno">  367</span>&#160;    parser_state.header.tracks_count =</div>
<div class="line"><a name="l00368"></a><span class="lineno">  368</span>&#160;        midi_parse_be16(parser_state.in.<a class="code" href="classmidi_1_1RingBuffer.html#acf30e4b7de8425b0e3243f5220206f04">peekStr</a>(10, 2));</div>
<div class="line"><a name="l00369"></a><span class="lineno">  369</span>&#160;    <span class="keywordtype">int</span> time_div = midi_parse_be16(parser_state.in.<a class="code" href="classmidi_1_1RingBuffer.html#acf30e4b7de8425b0e3243f5220206f04">peekStr</a>(12, 2));</div>
<div class="line"><a name="l00370"></a><span class="lineno">  370</span>&#160;    <span class="keywordflow">if</span> (time_div &gt; 0) {</div>
<div class="line"><a name="l00371"></a><span class="lineno">  371</span>&#160;      parser_state.header.time_division = time_div;</div>
<div class="line"><a name="l00372"></a><span class="lineno">  372</span>&#160;    }</div>
<div class="line"><a name="l00373"></a><span class="lineno">  373</span>&#160; </div>
<div class="line"><a name="l00374"></a><span class="lineno">  374</span>&#160;    parser_state.in.<a class="code" href="classmidi_1_1RingBuffer.html#a49adea581748cecf92b1b3ac99812e69">consume</a>(14);</div>
<div class="line"><a name="l00375"></a><span class="lineno">  375</span>&#160;    parser_state.status_internal = MIDI_PARSER_HEADER;</div>
<div class="line"><a name="l00376"></a><span class="lineno">  376</span>&#160;    <span class="keywordflow">return</span> MIDI_PARSER_HEADER;</div>
<div class="line"><a name="l00377"></a><span class="lineno">  377</span>&#160;  }</div>
<div class="line"><a name="l00378"></a><span class="lineno">  378</span>&#160; </div>
<div class="line"><a name="l00379"></a><span class="lineno">  379</span>&#160;  <span class="keyword">enum</span> midi_parser_status midi_parse_track() {</div>
<div class="line"><a name="l00380"></a><span class="lineno">  380</span>&#160;    <span class="keywordflow">if</span> (parser_state.in.available() &lt; 8)</div>
<div class="line"><a name="l00381"></a><span class="lineno">  381</span>&#160;      <span class="keywordflow">return</span> MIDI_PARSER_EOB;</div>
<div class="line"><a name="l00382"></a><span class="lineno">  382</span>&#160; </div>
<div class="line"><a name="l00383"></a><span class="lineno">  383</span>&#160;    parser_state.track.size = midi_parse_be32(parser_state.in.<a class="code" href="classmidi_1_1RingBuffer.html#acf30e4b7de8425b0e3243f5220206f04">peekStr</a>(0, 4));</div>
<div class="line"><a name="l00384"></a><span class="lineno">  384</span>&#160;    parser_state.track.number = ++track_no;</div>
<div class="line"><a name="l00385"></a><span class="lineno">  385</span>&#160;    parser_state.status_internal = MIDI_PARSER_TRACK;</div>
<div class="line"><a name="l00386"></a><span class="lineno">  386</span>&#160;    parser_state.in.<a class="code" href="classmidi_1_1RingBuffer.html#a49adea581748cecf92b1b3ac99812e69">consume</a>(8);</div>
<div class="line"><a name="l00387"></a><span class="lineno">  387</span>&#160;    <span class="comment">// parser.in.available() -= 8;</span></div>
<div class="line"><a name="l00388"></a><span class="lineno">  388</span>&#160;    parser_state.buffered_status = MIDI_STATUS_NA;</div>
<div class="line"><a name="l00389"></a><span class="lineno">  389</span>&#160;    <span class="keywordflow">return</span> MIDI_PARSER_TRACK;</div>
<div class="line"><a name="l00390"></a><span class="lineno">  390</span>&#160;  }</div>
<div class="line"><a name="l00391"></a><span class="lineno">  391</span>&#160; </div>
<div class="line"><a name="l00392"></a><span class="lineno">  392</span>&#160;  <span class="keywordtype">bool</span> midi_parse_vtime() {</div>
<div class="line"><a name="l00393"></a><span class="lineno">  393</span>&#160;    uint8_t nbytes = 0;</div>
<div class="line"><a name="l00394"></a><span class="lineno">  394</span>&#160;    uint8_t cont = 1; <span class="comment">// continue flag</span></div>
<div class="line"><a name="l00395"></a><span class="lineno">  395</span>&#160; </div>
<div class="line"><a name="l00396"></a><span class="lineno">  396</span>&#160;    parser_state.vtime = 0;</div>
<div class="line"><a name="l00397"></a><span class="lineno">  397</span>&#160;    <span class="keywordflow">while</span> (cont) {</div>
<div class="line"><a name="l00398"></a><span class="lineno">  398</span>&#160;      ++nbytes;</div>
<div class="line"><a name="l00399"></a><span class="lineno">  399</span>&#160; </div>
<div class="line"><a name="l00400"></a><span class="lineno">  400</span>&#160;      <span class="keywordflow">if</span> (parser_state.in.available() &lt; nbytes ||</div>
<div class="line"><a name="l00401"></a><span class="lineno">  401</span>&#160;          parser_state.track.size &lt; nbytes)</div>
<div class="line"><a name="l00402"></a><span class="lineno">  402</span>&#160;        <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00403"></a><span class="lineno">  403</span>&#160; </div>
<div class="line"><a name="l00404"></a><span class="lineno">  404</span>&#160;      uint8_t b = parser_state.in[nbytes - 1];</div>
<div class="line"><a name="l00405"></a><span class="lineno">  405</span>&#160;      parser_state.vtime = (parser_state.vtime &lt;&lt; 7) | (b &amp; 0x7f);</div>
<div class="line"><a name="l00406"></a><span class="lineno">  406</span>&#160; </div>
<div class="line"><a name="l00407"></a><span class="lineno">  407</span>&#160;      <span class="comment">// The largest value allowed within a MIDI file is 0x0FFFFFFF. A lot of</span></div>
<div class="line"><a name="l00408"></a><span class="lineno">  408</span>&#160;      <span class="comment">// leading bytes with the highest bit set might overflow the nbytes</span></div>
<div class="line"><a name="l00409"></a><span class="lineno">  409</span>&#160;      <span class="comment">// counter and create an endless loop. If one would use 0x80 bytes for</span></div>
<div class="line"><a name="l00410"></a><span class="lineno">  410</span>&#160;      <span class="comment">// padding the check on parser.vtime would not terminate the endless</span></div>
<div class="line"><a name="l00411"></a><span class="lineno">  411</span>&#160;      <span class="comment">// loop. Since the maximum value can be encoded in 5 bytes or less, we can</span></div>
<div class="line"><a name="l00412"></a><span class="lineno">  412</span>&#160;      <span class="comment">// assume bad input if more bytes were used.</span></div>
<div class="line"><a name="l00413"></a><span class="lineno">  413</span>&#160;      <span class="keywordflow">if</span> (parser_state.vtime &gt; 0x0fffffff || nbytes &gt; 5)</div>
<div class="line"><a name="l00414"></a><span class="lineno">  414</span>&#160;        <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00415"></a><span class="lineno">  415</span>&#160; </div>
<div class="line"><a name="l00416"></a><span class="lineno">  416</span>&#160;      cont = b &amp; 0x80;</div>
<div class="line"><a name="l00417"></a><span class="lineno">  417</span>&#160;    }</div>
<div class="line"><a name="l00418"></a><span class="lineno">  418</span>&#160; </div>
<div class="line"><a name="l00419"></a><span class="lineno">  419</span>&#160;    <span class="keywordflow">if</span> (parser_state.in.available() &lt; nbytes) {</div>
<div class="line"><a name="l00420"></a><span class="lineno">  420</span>&#160;      <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00421"></a><span class="lineno">  421</span>&#160;    }</div>
<div class="line"><a name="l00422"></a><span class="lineno">  422</span>&#160; </div>
<div class="line"><a name="l00423"></a><span class="lineno">  423</span>&#160;    parser_state.in.<a class="code" href="classmidi_1_1RingBuffer.html#a49adea581748cecf92b1b3ac99812e69">consume</a>(nbytes);</div>
<div class="line"><a name="l00424"></a><span class="lineno">  424</span>&#160;    <span class="comment">// parser.in.available() -= nbytes;</span></div>
<div class="line"><a name="l00425"></a><span class="lineno">  425</span>&#160;    parser_state.track.size -= nbytes;</div>
<div class="line"><a name="l00426"></a><span class="lineno">  426</span>&#160; </div>
<div class="line"><a name="l00427"></a><span class="lineno">  427</span>&#160;    <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00428"></a><span class="lineno">  428</span>&#160;  }</div>
<div class="line"><a name="l00429"></a><span class="lineno">  429</span>&#160; </div>
<div class="line"><a name="l00430"></a><span class="lineno">  430</span>&#160;  <span class="keyword">enum</span> midi_parser_status midi_parse_channel_event() {</div>
<div class="line"><a name="l00431"></a><span class="lineno">  431</span>&#160;    <span class="keywordflow">if</span> (parser_state.in.available() &lt; 2)</div>
<div class="line"><a name="l00432"></a><span class="lineno">  432</span>&#160;      <span class="keywordflow">return</span> MIDI_PARSER_EOB;</div>
<div class="line"><a name="l00433"></a><span class="lineno">  433</span>&#160; </div>
<div class="line"><a name="l00434"></a><span class="lineno">  434</span>&#160;    <span class="keywordflow">if</span> ((parser_state.in[0] &amp; 0x80) == 0) {</div>
<div class="line"><a name="l00435"></a><span class="lineno">  435</span>&#160;      <span class="comment">// Shortened event with running status.</span></div>
<div class="line"><a name="l00436"></a><span class="lineno">  436</span>&#160;      <span class="keywordflow">if</span> (parser_state.buffered_status == 0)</div>
<div class="line"><a name="l00437"></a><span class="lineno">  437</span>&#160;        <span class="keywordflow">return</span> MIDI_PARSER_EOB;</div>
<div class="line"><a name="l00438"></a><span class="lineno">  438</span>&#160;      parser_state.midi.status = parser_state.buffered_status;</div>
<div class="line"><a name="l00439"></a><span class="lineno">  439</span>&#160;      <span class="keywordtype">int</span> datalen = midi_event_datalen(parser_state.midi.status);</div>
<div class="line"><a name="l00440"></a><span class="lineno">  440</span>&#160;      <span class="keywordflow">if</span> (parser_state.in.available() &lt; datalen)</div>
<div class="line"><a name="l00441"></a><span class="lineno">  441</span>&#160;        <span class="keywordflow">return</span> MIDI_PARSER_EOB;</div>
<div class="line"><a name="l00442"></a><span class="lineno">  442</span>&#160;      parser_state.midi.channel = parser_state.buffered_channel;</div>
<div class="line"><a name="l00443"></a><span class="lineno">  443</span>&#160;      parser_state.midi.param1 = (datalen &gt; 0 ? parser_state.in[0] : 0);</div>
<div class="line"><a name="l00444"></a><span class="lineno">  444</span>&#160;      parser_state.midi.param2 = (datalen &gt; 1 ? parser_state.in[1] : 0);</div>
<div class="line"><a name="l00445"></a><span class="lineno">  445</span>&#160; </div>
<div class="line"><a name="l00446"></a><span class="lineno">  446</span>&#160;      parser_state.in.<a class="code" href="classmidi_1_1RingBuffer.html#a49adea581748cecf92b1b3ac99812e69">consume</a>(datalen);</div>
<div class="line"><a name="l00447"></a><span class="lineno">  447</span>&#160;      <span class="comment">// parser.in.available() -= datalen;</span></div>
<div class="line"><a name="l00448"></a><span class="lineno">  448</span>&#160;      parser_state.track.size -= datalen;</div>
<div class="line"><a name="l00449"></a><span class="lineno">  449</span>&#160;    } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00450"></a><span class="lineno">  450</span>&#160;      <span class="comment">// Full event with its own status.</span></div>
<div class="line"><a name="l00451"></a><span class="lineno">  451</span>&#160;      <span class="keywordflow">if</span> (parser_state.in.available() &lt; 3)</div>
<div class="line"><a name="l00452"></a><span class="lineno">  452</span>&#160;        <span class="keywordflow">return</span> MIDI_PARSER_EOB;</div>
<div class="line"><a name="l00453"></a><span class="lineno">  453</span>&#160;      parser_state.midi.status = (parser_state.in[0] &gt;&gt; 4) &amp; 0xf;</div>
<div class="line"><a name="l00454"></a><span class="lineno">  454</span>&#160;      <span class="keywordtype">int</span> datalen = midi_event_datalen(parser_state.midi.status);</div>
<div class="line"><a name="l00455"></a><span class="lineno">  455</span>&#160;      <span class="keywordflow">if</span> (parser_state.in.available() &lt; 1 + datalen)</div>
<div class="line"><a name="l00456"></a><span class="lineno">  456</span>&#160;        <span class="keywordflow">return</span> MIDI_PARSER_EOB;</div>
<div class="line"><a name="l00457"></a><span class="lineno">  457</span>&#160;      parser_state.midi.channel = parser_state.in[0] &amp; 0xf;</div>
<div class="line"><a name="l00458"></a><span class="lineno">  458</span>&#160;      parser_state.midi.param1 = (datalen &gt; 0 ? parser_state.in[1] : 0);</div>
<div class="line"><a name="l00459"></a><span class="lineno">  459</span>&#160;      parser_state.midi.param2 = (datalen &gt; 1 ? parser_state.in[2] : 0);</div>
<div class="line"><a name="l00460"></a><span class="lineno">  460</span>&#160;      parser_state.buffered_status =</div>
<div class="line"><a name="l00461"></a><span class="lineno">  461</span>&#160;          (midi_status)parser_state.midi.status; <span class="comment">// ps?</span></div>
<div class="line"><a name="l00462"></a><span class="lineno">  462</span>&#160;      parser_state.buffered_channel = parser_state.midi.channel;</div>
<div class="line"><a name="l00463"></a><span class="lineno">  463</span>&#160; </div>
<div class="line"><a name="l00464"></a><span class="lineno">  464</span>&#160;      parser_state.in.<a class="code" href="classmidi_1_1RingBuffer.html#a49adea581748cecf92b1b3ac99812e69">consume</a>(1 + datalen);</div>
<div class="line"><a name="l00465"></a><span class="lineno">  465</span>&#160;      <span class="comment">// parser.in.available() -= 1 + datalen;</span></div>
<div class="line"><a name="l00466"></a><span class="lineno">  466</span>&#160;      parser_state.track.size -= 1 + datalen;</div>
<div class="line"><a name="l00467"></a><span class="lineno">  467</span>&#160;    }</div>
<div class="line"><a name="l00468"></a><span class="lineno">  468</span>&#160; </div>
<div class="line"><a name="l00469"></a><span class="lineno">  469</span>&#160;    <span class="keywordflow">return</span> MIDI_PARSER_TRACK_MIDI;</div>
<div class="line"><a name="l00470"></a><span class="lineno">  470</span>&#160;  }</div>
<div class="line"><a name="l00471"></a><span class="lineno">  471</span>&#160; </div>
<div class="line"><a name="l00472"></a><span class="lineno">  472</span>&#160;  <span class="keywordtype">int</span> midi_parse_sysex_event() {</div>
<div class="line"><a name="l00473"></a><span class="lineno">  473</span>&#160;    assert(parser_state.in.available() == 0 || parser_state.in[0] == 0xf0);</div>
<div class="line"><a name="l00474"></a><span class="lineno">  474</span>&#160; </div>
<div class="line"><a name="l00475"></a><span class="lineno">  475</span>&#160;    <span class="keywordflow">if</span> (parser_state.in.available() &lt; 2)</div>
<div class="line"><a name="l00476"></a><span class="lineno">  476</span>&#160;      <span class="keywordflow">return</span> MIDI_PARSER_ERROR;</div>
<div class="line"><a name="l00477"></a><span class="lineno">  477</span>&#160; </div>
<div class="line"><a name="l00478"></a><span class="lineno">  478</span>&#160;    <span class="keywordtype">int</span> offset = 1;</div>
<div class="line"><a name="l00479"></a><span class="lineno">  479</span>&#160;    parser_state.sysex.length = midi_parse_variable_length(&amp;offset);</div>
<div class="line"><a name="l00480"></a><span class="lineno">  480</span>&#160;    <span class="keywordflow">if</span> (offset &lt; 1 || offset &gt; parser_state.in.available())</div>
<div class="line"><a name="l00481"></a><span class="lineno">  481</span>&#160;      <span class="keywordflow">return</span> MIDI_PARSER_ERROR;</div>
<div class="line"><a name="l00482"></a><span class="lineno">  482</span>&#160;    parser_state.in.<a class="code" href="classmidi_1_1RingBuffer.html#a49adea581748cecf92b1b3ac99812e69">consume</a>(offset);</div>
<div class="line"><a name="l00483"></a><span class="lineno">  483</span>&#160;    <span class="comment">// parser.in.available() -= offset;</span></div>
<div class="line"><a name="l00484"></a><span class="lineno">  484</span>&#160;    parser_state.track.size -= offset;</div>
<div class="line"><a name="l00485"></a><span class="lineno">  485</span>&#160; </div>
<div class="line"><a name="l00486"></a><span class="lineno">  486</span>&#160;    <span class="comment">// Length should be positive and not more than the remaining size</span></div>
<div class="line"><a name="l00487"></a><span class="lineno">  487</span>&#160;    <span class="keywordflow">if</span> (parser_state.sysex.length &lt;= 0 ||</div>
<div class="line"><a name="l00488"></a><span class="lineno">  488</span>&#160;        parser_state.sysex.length &gt; parser_state.in.available())</div>
<div class="line"><a name="l00489"></a><span class="lineno">  489</span>&#160;      <span class="keywordflow">return</span> MIDI_PARSER_ERROR;</div>
<div class="line"><a name="l00490"></a><span class="lineno">  490</span>&#160; </div>
<div class="line"><a name="l00491"></a><span class="lineno">  491</span>&#160;    parser_state.sysex.bytes =</div>
<div class="line"><a name="l00492"></a><span class="lineno">  492</span>&#160;        parser_state.in.<a class="code" href="classmidi_1_1RingBuffer.html#acf30e4b7de8425b0e3243f5220206f04">peekStr</a>(0, parser_state.sysex.length);</div>
<div class="line"><a name="l00493"></a><span class="lineno">  493</span>&#160;    parser_state.in.<a class="code" href="classmidi_1_1RingBuffer.html#a49adea581748cecf92b1b3ac99812e69">consume</a>(parser_state.sysex.length);</div>
<div class="line"><a name="l00494"></a><span class="lineno">  494</span>&#160;    <span class="comment">// parser.in.available() -= parser.sysex.length;</span></div>
<div class="line"><a name="l00495"></a><span class="lineno">  495</span>&#160;    parser_state.track.size -= parser_state.sysex.length;</div>
<div class="line"><a name="l00496"></a><span class="lineno">  496</span>&#160;    <span class="comment">// Don&#39;t count the 0xF7 ending byte as data, if given:</span></div>
<div class="line"><a name="l00497"></a><span class="lineno">  497</span>&#160;    <span class="keywordflow">if</span> (parser_state.sysex.bytes[parser_state.sysex.length - 1] == 0xF7)</div>
<div class="line"><a name="l00498"></a><span class="lineno">  498</span>&#160;      parser_state.sysex.length--;</div>
<div class="line"><a name="l00499"></a><span class="lineno">  499</span>&#160; </div>
<div class="line"><a name="l00500"></a><span class="lineno">  500</span>&#160;    <span class="keywordflow">return</span> MIDI_PARSER_TRACK_SYSEX;</div>
<div class="line"><a name="l00501"></a><span class="lineno">  501</span>&#160;  }</div>
<div class="line"><a name="l00502"></a><span class="lineno">  502</span>&#160; </div>
<div class="line"><a name="l00503"></a><span class="lineno">  503</span>&#160;  <span class="keyword">enum</span> midi_parser_status midi_parse_meta_event() {</div>
<div class="line"><a name="l00504"></a><span class="lineno">  504</span>&#160;    assert(parser_state.in.available() == 0 || parser_state.in[0] == 0xff);</div>
<div class="line"><a name="l00505"></a><span class="lineno">  505</span>&#160;    <span class="keywordflow">if</span> (parser_state.in.available() &lt; 2)</div>
<div class="line"><a name="l00506"></a><span class="lineno">  506</span>&#160;      <span class="keywordflow">return</span> MIDI_PARSER_ERROR;</div>
<div class="line"><a name="l00507"></a><span class="lineno">  507</span>&#160; </div>
<div class="line"><a name="l00508"></a><span class="lineno">  508</span>&#160;    parser_state.meta.type = parser_state.in[1];</div>
<div class="line"><a name="l00509"></a><span class="lineno">  509</span>&#160;    int32_t offset = 2;</div>
<div class="line"><a name="l00510"></a><span class="lineno">  510</span>&#160;    parser_state.meta.length = midi_parse_variable_length(&amp;offset);</div>
<div class="line"><a name="l00511"></a><span class="lineno">  511</span>&#160; </div>
<div class="line"><a name="l00512"></a><span class="lineno">  512</span>&#160;    <span class="comment">// Length should never be negative or more than the remaining size</span></div>
<div class="line"><a name="l00513"></a><span class="lineno">  513</span>&#160;    <span class="keywordflow">if</span> (parser_state.meta.length &lt; 0 ||</div>
<div class="line"><a name="l00514"></a><span class="lineno">  514</span>&#160;        parser_state.meta.length &gt; parser_state.in.available())</div>
<div class="line"><a name="l00515"></a><span class="lineno">  515</span>&#160;      <span class="keywordflow">return</span> MIDI_PARSER_ERROR;</div>
<div class="line"><a name="l00516"></a><span class="lineno">  516</span>&#160; </div>
<div class="line"><a name="l00517"></a><span class="lineno">  517</span>&#160;    <span class="comment">// Check buffer size</span></div>
<div class="line"><a name="l00518"></a><span class="lineno">  518</span>&#160;    <span class="keywordflow">if</span> (parser_state.in.available() &lt; offset ||</div>
<div class="line"><a name="l00519"></a><span class="lineno">  519</span>&#160;        parser_state.in.available() - offset &lt; parser_state.meta.length)</div>
<div class="line"><a name="l00520"></a><span class="lineno">  520</span>&#160;      <span class="keywordflow">return</span> MIDI_PARSER_ERROR;</div>
<div class="line"><a name="l00521"></a><span class="lineno">  521</span>&#160; </div>
<div class="line"><a name="l00522"></a><span class="lineno">  522</span>&#160;    parser_state.meta.bytes =</div>
<div class="line"><a name="l00523"></a><span class="lineno">  523</span>&#160;        parser_state.in.<a class="code" href="classmidi_1_1RingBuffer.html#acf30e4b7de8425b0e3243f5220206f04">peekStr</a>(offset, parser_state.meta.length);</div>
<div class="line"><a name="l00524"></a><span class="lineno">  524</span>&#160;    offset += parser_state.meta.length;</div>
<div class="line"><a name="l00525"></a><span class="lineno">  525</span>&#160; </div>
<div class="line"><a name="l00526"></a><span class="lineno">  526</span>&#160;    <span class="comment">// set tempo meta</span></div>
<div class="line"><a name="l00527"></a><span class="lineno">  527</span>&#160;    <span class="keywordflow">if</span> (parser_state.meta.type == 0x51) {</div>
<div class="line"><a name="l00528"></a><span class="lineno">  528</span>&#160;      parser_state.tempo =</div>
<div class="line"><a name="l00529"></a><span class="lineno">  529</span>&#160;          midi_parse_N(parser_state.meta.bytes, parser_state.meta.length);</div>
<div class="line"><a name="l00530"></a><span class="lineno">  530</span>&#160;    }</div>
<div class="line"><a name="l00531"></a><span class="lineno">  531</span>&#160; </div>
<div class="line"><a name="l00532"></a><span class="lineno">  532</span>&#160;    parser_state.in.<a class="code" href="classmidi_1_1RingBuffer.html#a49adea581748cecf92b1b3ac99812e69">consume</a>(offset);</div>
<div class="line"><a name="l00533"></a><span class="lineno">  533</span>&#160;    <span class="comment">// parser.in.available() -= offset;</span></div>
<div class="line"><a name="l00534"></a><span class="lineno">  534</span>&#160;    parser_state.track.size -= offset;</div>
<div class="line"><a name="l00535"></a><span class="lineno">  535</span>&#160;    <span class="keywordflow">return</span> MIDI_PARSER_TRACK_META;</div>
<div class="line"><a name="l00536"></a><span class="lineno">  536</span>&#160;  }</div>
<div class="line"><a name="l00537"></a><span class="lineno">  537</span>&#160; </div>
<div class="line"><a name="l00538"></a><span class="lineno">  538</span>&#160;  <span class="keyword">enum</span> midi_parser_status midi_parse_event() {</div>
<div class="line"><a name="l00539"></a><span class="lineno">  539</span>&#160;    parser_state.meta.bytes = NULL;</div>
<div class="line"><a name="l00540"></a><span class="lineno">  540</span>&#160;    <span class="keywordflow">if</span> (!midi_parse_vtime())</div>
<div class="line"><a name="l00541"></a><span class="lineno">  541</span>&#160;      <span class="keywordflow">return</span> MIDI_PARSER_EOB;</div>
<div class="line"><a name="l00542"></a><span class="lineno">  542</span>&#160; </div>
<div class="line"><a name="l00543"></a><span class="lineno">  543</span>&#160;    <span class="comment">// Make sure the parser has not consumed the entire file or track, else</span></div>
<div class="line"><a name="l00544"></a><span class="lineno">  544</span>&#160;    <span class="comment">// `parser-in[0]` might access heap-memory after the allocated buffer.</span></div>
<div class="line"><a name="l00545"></a><span class="lineno">  545</span>&#160;    <span class="keywordflow">if</span> (parser_state.in.available() &lt;= 0 || parser_state.track.size &lt;= 0)</div>
<div class="line"><a name="l00546"></a><span class="lineno">  546</span>&#160;      <span class="keywordflow">return</span> MIDI_PARSER_ERROR;</div>
<div class="line"><a name="l00547"></a><span class="lineno">  547</span>&#160; </div>
<div class="line"><a name="l00548"></a><span class="lineno">  548</span>&#160;    <span class="keywordflow">if</span> (parser_state.in[0] &lt; 0xf0) { <span class="comment">// Regular channel events:</span></div>
<div class="line"><a name="l00549"></a><span class="lineno">  549</span>&#160;      <span class="keywordflow">return</span> midi_parse_channel_event();</div>
<div class="line"><a name="l00550"></a><span class="lineno">  550</span>&#160;    } <span class="keywordflow">else</span> {                                         <span class="comment">// Special event types:</span></div>
<div class="line"><a name="l00551"></a><span class="lineno">  551</span>&#160;      parser_state.buffered_status = MIDI_STATUS_NA; <span class="comment">// (cancels running status)</span></div>
<div class="line"><a name="l00552"></a><span class="lineno">  552</span>&#160; </div>
<div class="line"><a name="l00553"></a><span class="lineno">  553</span>&#160;      <span class="keywordflow">if</span> (parser_state.in[0] == 0xf0)</div>
<div class="line"><a name="l00554"></a><span class="lineno">  554</span>&#160;        <span class="keywordflow">return</span> (midi_parser_status)midi_parse_sysex_event(); <span class="comment">// ps?</span></div>
<div class="line"><a name="l00555"></a><span class="lineno">  555</span>&#160; </div>
<div class="line"><a name="l00556"></a><span class="lineno">  556</span>&#160;      <span class="keywordflow">if</span> (parser_state.in[0] == 0xff)</div>
<div class="line"><a name="l00557"></a><span class="lineno">  557</span>&#160;        <span class="keywordflow">return</span> midi_parse_meta_event();</div>
<div class="line"><a name="l00558"></a><span class="lineno">  558</span>&#160;    }</div>
<div class="line"><a name="l00559"></a><span class="lineno">  559</span>&#160;    <span class="keywordflow">return</span> MIDI_PARSER_ERROR;</div>
<div class="line"><a name="l00560"></a><span class="lineno">  560</span>&#160;  }</div>
<div class="line"><a name="l00561"></a><span class="lineno">  561</span>&#160; </div>
<div class="line"><a name="l00562"></a><span class="lineno">  562</span>&#160;  <span class="keyword">enum</span> midi_parser_status midi_parse() {</div>
<div class="line"><a name="l00563"></a><span class="lineno">  563</span>&#160;    <span class="keywordflow">if</span> (parser_state.in.isEmpty())</div>
<div class="line"><a name="l00564"></a><span class="lineno">  564</span>&#160;      <span class="keywordflow">return</span> MIDI_PARSER_EOB;</div>
<div class="line"><a name="l00565"></a><span class="lineno">  565</span>&#160; </div>
<div class="line"><a name="l00566"></a><span class="lineno">  566</span>&#160;    <span class="keywordflow">switch</span> (parser_state.status_internal) {</div>
<div class="line"><a name="l00567"></a><span class="lineno">  567</span>&#160;    <span class="keywordflow">case</span> MIDI_PARSER_INIT:</div>
<div class="line"><a name="l00568"></a><span class="lineno">  568</span>&#160;      <span class="keywordflow">return</span> midi_parse_header();</div>
<div class="line"><a name="l00569"></a><span class="lineno">  569</span>&#160; </div>
<div class="line"><a name="l00570"></a><span class="lineno">  570</span>&#160;    <span class="keywordflow">case</span> MIDI_PARSER_HEADER:</div>
<div class="line"><a name="l00571"></a><span class="lineno">  571</span>&#160;      <span class="keywordflow">return</span> midi_parse_track();</div>
<div class="line"><a name="l00572"></a><span class="lineno">  572</span>&#160; </div>
<div class="line"><a name="l00573"></a><span class="lineno">  573</span>&#160;    <span class="keywordflow">case</span> MIDI_PARSER_TRACK:</div>
<div class="line"><a name="l00574"></a><span class="lineno">  574</span>&#160;      <span class="keywordflow">if</span> (parser_state.track.size == 0) {</div>
<div class="line"><a name="l00575"></a><span class="lineno">  575</span>&#160;        <span class="comment">// we reached the end of the track</span></div>
<div class="line"><a name="l00576"></a><span class="lineno">  576</span>&#160;        parser_state.status_internal = MIDI_PARSER_HEADER;</div>
<div class="line"><a name="l00577"></a><span class="lineno">  577</span>&#160;        <span class="keywordflow">return</span> midi_parse();</div>
<div class="line"><a name="l00578"></a><span class="lineno">  578</span>&#160;      }</div>
<div class="line"><a name="l00579"></a><span class="lineno">  579</span>&#160;      <span class="keywordflow">return</span> midi_parse_event();</div>
<div class="line"><a name="l00580"></a><span class="lineno">  580</span>&#160; </div>
<div class="line"><a name="l00581"></a><span class="lineno">  581</span>&#160;    <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l00582"></a><span class="lineno">  582</span>&#160;      <span class="keywordflow">return</span> MIDI_PARSER_ERROR;</div>
<div class="line"><a name="l00583"></a><span class="lineno">  583</span>&#160;    }</div>
<div class="line"><a name="l00584"></a><span class="lineno">  584</span>&#160;  }</div>
<div class="line"><a name="l00585"></a><span class="lineno">  585</span>&#160;};</div>
<div class="line"><a name="l00586"></a><span class="lineno">  586</span>&#160; </div>
<div class="line"><a name="l00587"></a><span class="lineno">  587</span>&#160;} <span class="comment">// namespace midi</span></div>
<div class="ttc" id="aclassmidi_1_1MidiFileParserMultiTrack_html"><div class="ttname"><a href="classmidi_1_1MidiFileParserMultiTrack.html">midi::MidiFileParserMultiTrack</a></div><div class="ttdoc">Midi file parser which stores the data in RAM before making them available for parsing....</div><div class="ttdef"><b>Definition:</b> MidiFileParserMultiTrack.h:130</div></div>
<div class="ttc" id="aclassmidi_1_1MidiFileParser_html"><div class="ttname"><a href="classmidi_1_1MidiFileParser.html">midi::MidiFileParser</a></div><div class="ttdoc">Midi File parser. Provide the data via write: You should try to keep the buffer as full as possible w...</div><div class="ttdef"><b>Definition:</b> MidiFileParser.h:61</div></div>
<div class="ttc" id="aclassmidi_1_1MidiFileParser_html_a0c4097975bcf7c4a1d19c377943bf227"><div class="ttname"><a href="classmidi_1_1MidiFileParser.html#a0c4097975bcf7c4a1d19c377943bf227">midi::MidiFileParser::parse</a></div><div class="ttdeci">midi_parser_state &amp; parse()</div><div class="ttdoc">Parse data in order to provide the next midi element.</div><div class="ttdef"><b>Definition:</b> MidiFileParser.h:92</div></div>
<div class="ttc" id="aclassmidi_1_1MidiFileParser_html_a1046f0985de526640c1ddaaebfcff943"><div class="ttname"><a href="classmidi_1_1MidiFileParser.html#a1046f0985de526640c1ddaaebfcff943">midi::MidiFileParser::availableForWrite</a></div><div class="ttdeci">int availableForWrite()</div><div class="ttdoc">Max number of bytes that we can write.</div><div class="ttdef"><b>Definition:</b> MidiFileParser.h:89</div></div>
<div class="ttc" id="aclassmidi_1_1MidiFileParser_html_a2889997844f7c448badf62c33bc5d17e"><div class="ttname"><a href="classmidi_1_1MidiFileParser.html#a2889997844f7c448badf62c33bc5d17e">midi::MidiFileParser::midi_meta_name</a></div><div class="ttdeci">const char * midi_meta_name(int type)</div><div class="ttdoc">Provides the string description for the midi_meta value.</div><div class="ttdef"><b>Definition:</b> MidiFileParser.h:191</div></div>
<div class="ttc" id="aclassmidi_1_1MidiFileParser_html_a6a310bc896190fd0166e06e08eea6dd5"><div class="ttname"><a href="classmidi_1_1MidiFileParser.html#a6a310bc896190fd0166e06e08eea6dd5">midi::MidiFileParser::midi_status_name</a></div><div class="ttdeci">const char * midi_status_name(int status)</div><div class="ttdoc">Provides the string description for the midi_status value.</div><div class="ttdef"><b>Definition:</b> MidiFileParser.h:153</div></div>
<div class="ttc" id="aclassmidi_1_1MidiFileParser_html_a810b3ac596ac34dddc2f63b902e6b3ad"><div class="ttname"><a href="classmidi_1_1MidiFileParser.html#a810b3ac596ac34dddc2f63b902e6b3ad">midi::MidiFileParser::midi_file_format_name</a></div><div class="ttdeci">const char * midi_file_format_name(int fmt)</div><div class="ttdoc">Provides the string description for the file format.</div><div class="ttdef"><b>Definition:</b> MidiFileParser.h:176</div></div>
<div class="ttc" id="aclassmidi_1_1MidiFileParser_html_aabf9f00c6bb20006a33690ce1ae27dd6"><div class="ttname"><a href="classmidi_1_1MidiFileParser.html#aabf9f00c6bb20006a33690ce1ae27dd6">midi::MidiFileParser::begin</a></div><div class="ttdeci">bool begin(bool log=true, int bufferSize=MIDI_BUFFER_SIZE)</div><div class="ttdoc">Initializes &amp; starts the processing.</div><div class="ttdef"><b>Definition:</b> MidiFileParser.h:64</div></div>
<div class="ttc" id="aclassmidi_1_1MidiFileParser_html_ab10d13081d391398ec80bf2ad3a2abfe"><div class="ttname"><a href="classmidi_1_1MidiFileParser.html#ab10d13081d391398ec80bf2ad3a2abfe">midi::MidiFileParser::write</a></div><div class="ttdeci">virtual size_t write(const uint8_t *data, size_t len)</div><div class="ttdoc">Feed/Provide the midi data to the parser.</div><div class="ttdef"><b>Definition:</b> MidiFileParser.h:76</div></div>
<div class="ttc" id="aclassmidi_1_1MidiFileParser_html_abda7a373f6add06597bd3d2b045100d1"><div class="ttname"><a href="classmidi_1_1MidiFileParser.html#abda7a373f6add06597bd3d2b045100d1">midi::MidiFileParser::parseTimed</a></div><div class="ttdeci">midi_parser_state &amp; parseTimed()</div><div class="ttdef"><b>Definition:</b> MidiFileParser.h:112</div></div>
<div class="ttc" id="aclassmidi_1_1MidiFileParser_html_ae07e5e7161eb4931f09413165f8b70ef"><div class="ttname"><a href="classmidi_1_1MidiFileParser.html#ae07e5e7161eb4931f09413165f8b70ef">midi::MidiFileParser::end</a></div><div class="ttdeci">void end()</div><div class="ttdoc">Ends the processing: currently does nothing.</div><div class="ttdef"><b>Definition:</b> MidiFileParser.h:150</div></div>
<div class="ttc" id="aclassmidi_1_1Print_html"><div class="ttname"><a href="classmidi_1_1Print.html">midi::Print</a></div><div class="ttdef"><b>Definition:</b> MidiFileParser.h:46</div></div>
<div class="ttc" id="aclassmidi_1_1RingBuffer_html_a49adea581748cecf92b1b3ac99812e69"><div class="ttname"><a href="classmidi_1_1RingBuffer.html#a49adea581748cecf92b1b3ac99812e69">midi::RingBuffer::consume</a></div><div class="ttdeci">void consume(int offset)</div><div class="ttdoc">Removes the next n characters from the ringbuffer.</div><div class="ttdef"><b>Definition:</b> RingBuffer.h:145</div></div>
<div class="ttc" id="aclassmidi_1_1RingBuffer_html_a583861751422aa94cb45626fed086680"><div class="ttname"><a href="classmidi_1_1RingBuffer.html#a583861751422aa94cb45626fed086680">midi::RingBuffer::equals</a></div><div class="ttdeci">bool equals(const char *str)</div><div class="ttdoc">Compares the string with the current peek values.</div><div class="ttdef"><b>Definition:</b> RingBuffer.h:139</div></div>
<div class="ttc" id="aclassmidi_1_1RingBuffer_html_acf30e4b7de8425b0e3243f5220206f04"><div class="ttname"><a href="classmidi_1_1RingBuffer.html#acf30e4b7de8425b0e3243f5220206f04">midi::RingBuffer::peekStr</a></div><div class="ttdeci">uint8_t * peekStr(int idx, int len)</div><div class="ttdoc">returns a temporary copy of the requested bytes</div><div class="ttdef"><b>Definition:</b> RingBuffer.h:119</div></div>
<div class="ttc" id="astructmidi_1_1midi__parser__state_html"><div class="ttname"><a href="structmidi_1_1midi__parser__state.html">midi::midi_parser_state</a></div><div class="ttdoc">MIDI Parser State Information.</div><div class="ttdef"><b>Definition:</b> MidiFileParserState.h:119</div></div>
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